The Apple Watch is the most ambitious, well-constructed smartwatch ever seen, but first-gen shortfalls make it feel more like a fashionable toy than a necessary tool. That may change with a big software update later this year, though.

As part of Road Trip 2015, CNET visits Mcity, a 32-acre fake city in Michigan designed to test self-driving cars' navigation and communication abilities -- and to keep research from migrating to Silicon Valley.

The iPhone 6 is an exceptional phone in nearly every way except its average battery life: it's thin, fast, and features the excellent iOS operating system. It was the best overall phone introduced in 2014.